Running horizontally on the inner surface of the front glass are pairs of transparent electrodes, each pair having one "sustain" electrode and one "discharge" electrode.
An alternating current is applied continuously to the sustain electrode, the voltage of this current carefully chosen to be just below the threshold of a plasma discharge.
Cross section of a flat-panel plasma display for wide-screen, high-definition colour televisionA pulse of electricity between the addressable electrodes and the transparent sustain and discharge electrodes causes gas sealed in a subpixel to form a plasma and discharge ultraviolet light.
A plasma cell, or subpixel, occurs at the intersection of a pair of transparent sustain and discharge electrodes and an address electrode.
The screen-printed thick film electrode sustained for more than 12 months.
The film electrode sustained the photo electrochemical activity in the electrolyte solution at -0.3 V (vs. Ag/AgCl), at least, for 100 min.
Furthermore, the electrode sustained an impressive capacity retention of 84.1% after unprecedented 1000 discharge-charge cycles at a high current density of 1000 mAh g−1 The ultra-long cycle stability is much higher than all other reported cobalt sulphide anodes so far.
The chemistry of the materials involved is such that a potential is developed between the electrodes which is capable of sustaining a discharge current.
The nano-architectured electrode design not only increases the effective surface area of the electrode but it is also very suitable for sustaining the mechanical and structural strain during electrochemical reaction.
Thirdly, Ni foam as the platform for sustaining nanosheets can withstand strain relaxation and mechanical deformation, preventing the electrode materials from seriously swelling and shrinking during the insertion-deinsertion process.
